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Look what a POWER LIMITED 3090 can do (280W)

It was noticeably slower at 250W, but at 280W it runs about ...
Vibrant Principal's Office
  12/17/25
...
Vibrant Principal's Office
  12/17/25
What is the name of that dashboard / resource monitor you ha...
bright soggy spot
  12/18/25
https://github.com/b3rs3rk/gpustat-unraid
Vibrant Principal's Office
  12/18/25
why dont u use perf or top? Also so is point of running own ...
electric laser beams dilemma
  12/18/25
Yes
Vibrant Principal's Office
  12/18/25
Nice
talented overrated forum
  12/18/25
Can it do image generation?
pale deranged background story
  12/18/25
Yes but the process is so cumbersome that I'll never do it i...
Vibrant Principal's Office
  12/18/25
Why power limit?
avocado alcoholic resort
  12/18/25
Because otherwise the 3090 can spike to 500W, and if you're ...
Vibrant Principal's Office
  12/18/25
Here's where it's going after Christmas. Look at the spacing...
Vibrant Principal's Office
  12/18/25


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Date: December 17th, 2025 9:46 PM
Author: Vibrant Principal's Office

It was noticeably slower at 250W, but at 280W it runs about as fast as if I leave it uncapped:

https://limewire.com/d/LujLF#jp3UUaALAn

This means you don't necessarily need the world's biggest power supply to run two of these. If your server sips juice like mine you can do it with 850W

(http://www.autoadmit.com/thread.php?thread_id=5811541&forum_id=2:#49518164)



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Date: December 17th, 2025 11:58 PM
Author: Vibrant Principal's Office



(http://www.autoadmit.com/thread.php?thread_id=5811541&forum_id=2:#49518500)



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Date: December 18th, 2025 1:23 AM
Author: bright soggy spot

What is the name of that dashboard / resource monitor you have?

(http://www.autoadmit.com/thread.php?thread_id=5811541&forum_id=2:#49518582)



Reply Favorite

Date: December 18th, 2025 6:54 AM
Author: Vibrant Principal's Office

https://github.com/b3rs3rk/gpustat-unraid

(http://www.autoadmit.com/thread.php?thread_id=5811541&forum_id=2:#49518718)



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Date: December 18th, 2025 6:57 AM
Author: electric laser beams dilemma

why dont u use perf or top? Also so is point of running own chat AI so they answer questions that free oens are not allowed to?

(http://www.autoadmit.com/thread.php?thread_id=5811541&forum_id=2:#49518720)



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Date: December 18th, 2025 7:14 AM
Author: Vibrant Principal's Office

Yes

(http://www.autoadmit.com/thread.php?thread_id=5811541&forum_id=2:#49518728)



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Date: December 18th, 2025 8:13 AM
Author: talented overrated forum

Nice

(http://www.autoadmit.com/thread.php?thread_id=5811541&forum_id=2:#49518775)



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Date: December 18th, 2025 8:23 AM
Author: pale deranged background story

Can it do image generation?

(http://www.autoadmit.com/thread.php?thread_id=5811541&forum_id=2:#49518789)



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Date: December 18th, 2025 9:38 AM
Author: Vibrant Principal's Office

Yes but the process is so cumbersome that I'll never do it in this server. If you only want to do image generation, Intel b50 and b60 (if you can find them) do that quite well. They SUCK for LLMs but they're great for Stable Diffusion, they are cheap, and they consume no power

(http://www.autoadmit.com/thread.php?thread_id=5811541&forum_id=2:#49518892)



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Date: December 18th, 2025 9:30 AM
Author: avocado alcoholic resort

Why power limit?

(http://www.autoadmit.com/thread.php?thread_id=5811541&forum_id=2:#49518870)



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Date: December 18th, 2025 9:35 AM
Author: Vibrant Principal's Office

Because otherwise the 3090 can spike to 500W, and if you're putting two in a server that's enough to overload most PSUs. Capping them at 280W leaves enough headroom on 1000W PSU, whereas unlimited power draw probably requires a 1500W PSU to ensure stability. I have a 1200W PSU and I try to keep total power draw under 75%

(http://www.autoadmit.com/thread.php?thread_id=5811541&forum_id=2:#49518882)



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Date: December 18th, 2025 9:40 AM
Author: Vibrant Principal's Office

Here's where it's going after Christmas. Look at the spacing on those PCIe slots. This will be a 2x 3090 array with 48gb of pooled VRAM

https://a.co/d/dXioB2h

It will run a Proxmox server with an old Intel 12600 (non-k, yeah I got one of those) and 32gb of DDR4.

(http://www.autoadmit.com/thread.php?thread_id=5811541&forum_id=2:#49518900)